نتایج جستجو برای: peptide vaccine
تعداد نتایج: 263016 فیلتر نتایج به سال:
Previously, we produced a fertilization-blocking monoclonal antibody (MAb-5H4) to find a candidate peptide for a contraceptive vaccine. MAb-5H4 recognized a linear amino acid sequence of ZPA (No. 50-67) in pigs, humans and rabbits. In the present study, 18mer peptides corresponding to the sequence were conjugated with diphtheria toxoid as a carrier protein before immunization in rabbits. All th...
BACKGROUND We previously reported a phase I study of a cancer vaccine using five novel HLA-A*2402-restricted peptides, and demonstrated the safety and the promising potential of our five-peptide cocktail for advanced colorectal cancer. The objective of this analysis was to investigate predictive biomarkers for the prior selection of patients who are likely to have clinical benefit from such the...
The only evidence of vaccine-induced protection from HIV acquisition in humans was obtained in the RV144 HIV vaccine clinical trial. One immune correlate of risk in RV144 was observed to be higher titers of vaccine-induced antibodies (Abs) reacting with a 23-mer non-glycosylated peptide with the same amino acid sequence as a segment in the second variable (V2) loop of the MN strain of HIV. We u...
Although in vitro sensitization assays have shown increased melanoma Ag (MA)-specific CTL reactivity after vaccination with MA peptides, clinical responses have been uncommon. This paradox questions whether data obtained from the in vitro stimulation and expansion of T cells lead to an overestimation of the immune response to vaccines. Using HLA/peptide tetramer (tHLA), we enumerated MA-specifi...
The emergence of multi-drug resistant Neisseria gonorrhoeae has generated an urgent need for novel therapies or a vaccine to prevent gonococcal disease. In this study we investigate the potential of targeting the surface exposed nitrite reductase, AniA, to block activity by producing functional blocking antibodies. AniA activity is essential for anaerobic growth and biofilm formation of N. gono...
A synthetic peptide vaccine which protects dogs against challenge with virulent canine parvovirus is described. The amino acid sequence used was discovered in previous studies on the immunogenic properties of previously mapped antigenic sites and represents the amino-terminal region of viral protein VP2. As with marker vaccines, it is possible to discriminate between vaccinated dogs that have n...
A novel dodecamer peptide sequence, YLP(12), was identified on human sperm that is involved in oocyte binding. We investigated its immunocontraceptive effects in a murine model. A vaccine was prepared by conjugating the synthetic YLP(12) peptide with the binding subunit of recombinant cholera toxin. Vaccination of female mice by i.m. or intranasal routes without any additional adjuvant induced ...
BACKGROUND Cancer vaccines aim at eliciting not only an immune response against specific tumor antigens, but also at enhancing a preexisting immunity against the tumor. In this context, we recently reported on the levels of preexisting immunity in prostate cancer patients vaccinated with the HER-2 hybrid peptide (AE37), during a phase I clinical trial. The purpose of the current study was to co...
Leishmaniasis is a major infectious disease of considerable public health in more than 86 countries around the world. Several approaches toward vaccine development against this disease have been taken. Glycoprotein (gp63) is conserved among diverse species of Leishmania and has induced immunological responses in murine models. Therefore, this glycoprotein has been considered as a second generat...
Immunotherapy has increased overall survival of metastatic cancer patients, and cancer antigens are promising vaccine targets. To fulfill the promise, appropriate tailoring of the vaccine formulations to mount in vivo cytotoxic T cell (CTL) responses toward co-delivered cancer antigens is essential. Previous development of therapeutic cancer vaccines has largely been based on studies in mice, a...
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